/*
 * Copyright 2022 Apollo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.ctrip.framework.apollo.common.dto;

import com.google.common.collect.Sets;

import java.util.Set;

import static com.google.common.base.MoreObjects.toStringHelper;

/**
 * @author Jason Song(song_s@ctrip.com)
 */
public class GrayReleaseRuleItemDTO {
    public static final String ALL_IP = "*";
    public static final String ALL_Label = "*";

    private String clientAppId;
    private Set<String> clientIpList;
    private Set<String> clientLabelList;

    // this default constructor is for json deserialize use, to make sure all fields are initialized
    public GrayReleaseRuleItemDTO() {
        this("");
    }

    public GrayReleaseRuleItemDTO(String clientAppId) {
        this(clientAppId, Sets.newHashSet(), Sets.newHashSet());
    }

    public GrayReleaseRuleItemDTO(String clientAppId, Set<String> clientIpList, Set<String> clientLabelList) {
        this.clientAppId = clientAppId;
        this.clientIpList = clientIpList;
        this.clientLabelList = clientLabelList;
    }

    public String getClientAppId() {
        return clientAppId;
    }

    public Set<String> getClientIpList() {
        return clientIpList;
    }

    public Set<String> getClientLabelList() {
        return clientLabelList;
    }

    public boolean matches(String clientAppId, String clientIp, String clientLabel) {
        return (appIdMatches(clientAppId) && ipMatches(clientIp)) || (appIdMatches(clientAppId) && labelMatches(clientLabel));
    }

    private boolean appIdMatches(String clientAppId) {
        return this.clientAppId.equalsIgnoreCase(clientAppId);
    }

    private boolean ipMatches(String clientIp) {
        return this.clientIpList.contains(ALL_IP) || clientIpList.contains(clientIp);
    }

    private boolean labelMatches(String clientLabel) {
        return this.clientLabelList.contains(ALL_Label) || clientLabelList.contains(clientLabel);
    }

    @Override
    public String toString() {
        return toStringHelper(this).add("clientAppId", clientAppId)
                .add("clientIpList", clientIpList)
                .add("clientLabelList", clientLabelList).toString();
    }
}
